For this project Chipperfield was particularly concerned with finding versatile, robust seating which would meet rigorous usage requirements while conveying a sense of refined luxury. It is planned to finish the museum seating in leather. This line of research has been combined with another theme that Chipperfield was keen to explore; that of obtaining comfortable soft seating from thin upholstered sections applied to a light and dynamic structure, using advanced industrial production techniques.
Posa is available in the following types: sofa, armchair and small armchair. The Posa series is named after the Marquis Von Posa, the idealistic hero of the opera Don Carlos by Friedrich Schiller.